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Kipish [7]
4 years ago
5

Show your working for the following questions:

Mathematics
1 answer:
Llana [10]4 years ago
4 0
\frac{-18}{-3} (divide 3 from numerator and denominator) = \frac{6}{1} = 6

\frac{2}{7} × \frac{8}{3} = \frac{16}{21}

\frac{3}{8} +  \frac{1}{12} =  \frac{9}{24} +  \frac{2}{24} =  \frac{11}{24}
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Find three positive numbers whose sum is 12 and the sum of whose squares is as small as possible.
denis-greek [22]

Answer:

4, 4, and 4.

8 0
3 years ago
Read 2 more answers
Evaluate z + z + z for x = 2, y = -3, z = -4.<br><br> 12<br> -12<br> -9<br> -6<br><br> Need help!!
Nataly_w [17]
I think the answer is -12
4 0
4 years ago
PLEASEEE HELP MEEE!! I DONT UNDERSTAND AT ALL!!
jenyasd209 [6]

Domain: (-∞,∞)

Range: (3,∞)

x-intercepts: none

y-intercepts: (0,7)

Interval positive: (3,∞)

Interval negative: none

Interval increasing: (7,∞)

Interval decreasing: (-∞,7)

I'm not sure what the average rate of change over is though.

7 0
3 years ago
Help please! I don't get this.​
slava [35]
Try using a photo scanner
8 0
3 years ago
Read 2 more answers
In the figure, one side of the rectangle divides the circle in half.
Setler79 [48]
A(rectangle)=5*12=60
A(circle)=(pi)(r^2)
r=(1/2)(5)=2.5
A(circle)=(3.14)(2.5)^2
A(circle)=19.625
Shaded Circle=1/2
(1/2)(19.625)=9.8125
A of unshaded=60-9.8125
A=50.1875 ft
6 0
4 years ago
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